An alien, Mumu, who came to regain the technology lost by his race. The everyday life of an ordinary college student collapses because of his arrival...? A cat shakes the earth! Spectacular romance!!
A man who loved magic so much that he stayed a virgin untill age 30 can't use magic after all! What will happen when he's reborn into an isekai where there's no magic? Will he be able to become -- a pioneer of magic?